12/05/16

A box has a width 9 inches less than its height and a length 3 inches more than its height. a. If h is the height of the​ box, write a polynomial that represe
A box has a width 99 inches less than its height and a length 33 inches more than its height.a. If h is the height of the box, write a polynomial that represents the volume of the box. b. Use this... more
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12/05/16

Determine what that the graphs of the given equations are parallel, perpendicular, or neither.
y=-6x-8 -x+6y=12
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12/05/16

Write an equation of the line that passes through the given point and is perpendicular to the graph of the given equation
(5,7);y=1/3x+2
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12/05/16

Write an equation of the line that passes through the given point and is parallel to the graph of the given equation
(3,2);y=3x-2
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12/05/16

Margin of error question
According to a national poll of 425 college students, 61% play video games more than 6 hours a week.Find the margin of error and the 95% confidence interval for the survey. Give your answers as... more
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12/05/16

marina bought 4 books josé bought half as many books as ben together the 3 friends bought 13 books how many bools did ben buy
I need help because it is confusing me like I'm in a trap and I can't get out so I need the answer today no later then today
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12/05/16

How many of each animal are there ?
There 17 anim in a barn. Some are chickens some are pigs. There are 58 legs in all. How many of each animal are there?
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12/05/16

Can not figure out how to answer this
A company that produces snack foods uses a machine to package 454g bags of pretzels. The hypotheses areas follows: Ho : µ = 454g (the packaging machine is working properly) Ha : µ ≠ 454g (the... more
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12/05/16

Inverse of a Square
y varies inversely as the square of z. If y = 48 when z=3, find y when z=4
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12/05/16

A fair coin is tossed five times and the results are recorded for heads and tails. Find the following. Write probabilities as a ratio of two integers.No Decimal
a. How many total outcomes are possible?b. P(Exactly 3 Heads or 3 Tails) c. P(At least 4 Heads) d. P(No Tails) e. P(Equal number of Heads and Tails) 
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12/04/16

SAMPLE VARIANCE QUESTION/ HYP. TEST QUESTION . ):
A sample is selected from a population with mu = 80 and a treatment is administered to the sample. If the sample variance is s2 (s-squared) = 20, which set of sample characteristics is most likely... more
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12/04/16

In a hypoth. test using a t statistic, what is the influence of a large sample standard deviation?
-Can`t determine w/o more info.-The size of the standard dev. has no impact on outcome of the hyp. test.-Larger standard deviation tends to increase the likelihood of rejecting the null... more
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12/04/16

Hypotenuse is 20 inches long and one leg is 14 inches. How long is the other leg?
Algebra question: A brace for a shelf has the shape of a right triangle. Its hypotenuse is 20 inches...
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12/04/16

, then how many tickets of each type were​ sold?
a play at a local theatre, 907 tickets were sold for a total of  $9410. Adult tickets cost $12 each. Children's tickets cost $10 each, and senior citizen tickets cost $8 each. If the combined... more
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12/04/16

three and a half pound of peaches cost $1.68 how much would two and a half pounds of peaches cost
how much dose this cost 
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12/04/16

Determine whether the random variable is discrete or continuous.
In each case, state the possible values of the random variable. (a) The number of people with blood type A in a random sample of 27 people. (b) The amount of snowfall. (c) Is the number of people... more
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12/04/16

Show that if P (E) = 1, then P (H l E) = P (H)
How to show a proof using probability rules?
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12/02/16

distribution statistics problem
Assume that the readings on thermometers are normally distributed with a mean of 0 degrees Celsius and a standard deviation of 1.00 degrees Celsius. A thermometer is randomly selected and tested.... more
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11/30/16

finding the ho h1 cv ts p value in statistics
accordin the a recent poll of 53% of american would vote for the incumbent president. If a random sample of 200 people results in 98 who would vote for the incumbent, test the claim that the actual... more
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11/29/16

87% of the people who sampled their food said it was delicious...
A national caterer determined that 87% of the people who sampled their food said it was delicious. A random sample of 144 people is obtained from a population of 5000. The 144 people are asked to... more
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11/27/16

Using alpha = .05, what is your decision if the p-value is 0.04 for a one-tail test?
Using alpha = .05, what is your decision if the p-value is 0.04 for a one-tail test?
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11/07/16

Quadratic equation
Write a quadratic equation having the given numbers as solutions. -3 and -1   The quadratic equation is _=0   (Type your answer in standard form. Type an expression using x as a variable)
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11/07/16

what is the center and radius of the circle described by x^2 + y^2 +12y+1=7
x2+y2+12y+1=7
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11/07/16

Shoe store sells 200 Pairs of shoes a month at $60 per pair. For every $1 increase in price approximately 2 fewer pair of shoes
how much should the shoe store charge to maximize revenue?
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03/06/15

Statistics- How to Find P-Value on this question
A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of... more
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